partiql-conformance-test-generator 0.2.0

use inflector::Inflector;

pub trait Escaper {
    /// Escapes a string intended to be used in a file path
    fn escape_path(&self) -> String;

    /// Escapes a string intended to be used as the name of a test
    fn escape_test_name(&self) -> String;

    /// Escapes a string intended to be used as the name of a module
    fn escape_module_name(&self) -> String;
}

impl Escaper for &str {
    fn escape_path(&self) -> String {
        self.to_snake_case()
    }

    fn escape_test_name(&self) -> String {
        format!("r#{}", self.to_snake_case())
    }
    fn escape_module_name(&self) -> String {
        format!("r#{}", self.to_snake_case())
    }
}

impl Escaper for String {
    fn escape_path(&self) -> String {
        self.as_str().escape_path()
    }

    fn escape_test_name(&self) -> String {
        self.as_str().escape_test_name()
    }

    fn escape_module_name(&self) -> String {
        self.as_str().escape_module_name()
    }
}

#[cfg(test)]
mod test {
    use crate::util::Escaper;

    #[test]
    fn escaping_letters_and_whitespace() {
        assert_eq!("a B c \t D \n e_f_G".escape_path(), "a_b_c_d_e_f_g");
        assert_eq!("a B c \t D \n e_f_G".escape_test_name(), "r#a_b_c_d_e_f_g");
        assert_eq!(
            "a B c \t D \n e_f_G".escape_module_name(),
            "r#a_b_c_d_e_f_g"
        );
    }

    #[test]
    fn escaping_letters_numbers_other_chars() {
        assert_eq!(
            "a B c  1 2 3 e f G !?#$%*!(".escape_path(),
            "a_b_c_1_2_3_e_f_g"
        );
        assert_eq!(
            "a B c  1 2 3 e f G !?#$%*!(".escape_test_name(),
            "r#a_b_c_1_2_3_e_f_g"
        );
        assert_eq!(
            "a B c  1 2 3 e f G !?#$%*!(".escape_module_name(),
            "r#a_b_c_1_2_3_e_f_g"
        );
    }
}